RFR: 598: Add test-request label when test request needs approval

[Robin Westberg]

On Wed, 9 Sep 2020 12:13:00 GMT, Erik Helin <ehelin at openjdk.org> wrote:

> Hi all,
> 
> please review this patch that adds a label for test requests.
> 
> Testing:
> - [x] `make test` passes on Linux x64
> - [x] Added a new unit tests
> 
> Thanks,
> Erik

Looks good!

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Marked as reviewed by rwestberg (Reviewer).

PR: https://git.openjdk.java.net/skara/pull/812